:root {
    --bg-main: #000000;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --color-primary: #ccff00;
    --color-primary-hover: #b3e600;
    --color-secondary: #27272a;
    --color-secondary-hover: #3f3f46;
    --font-family: 'Inter', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

body {
    background-color: #111; 
    font-family: var(--font-family);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: var(--text-main);
}

.app-container {
    background-color: var(--bg-main);
    width: 100%;
    max-width: 380px;
    height: 100vh;
    max-height: 850px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Экраны */
.screen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 24px;
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: translateX(0); } }

/* Базовые элементы */
.center-content { flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 16px; }
.brand-name { font-size: 32px; font-weight: 700; letter-spacing: -0.5px; }
.screen-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; margin-top: 16px; }
.screen-header h2 { font-size: 18px; font-weight: 600; }
.btn-icon { background: none; border: none; cursor: pointer; padding: 8px; margin: -8px; }
.screen-content { flex: 1; display: flex; flex-direction: column; overflow-y: auto; padding-bottom: 20px;}
.screen-content::-webkit-scrollbar { display: none; }
.text-muted { color: var(--text-muted); font-size: 15px; line-height: 1.5; }

/* Кнопки */
.bottom-actions { width: 100%; padding-bottom: 12px; margin-top: auto; flex-shrink: 0; }
.btn {
    width: 100%; padding: 18px; border-radius: 9999px; border: none;
    font-size: 16px; font-weight: 700; cursor: pointer;
    display: flex; justify-content: center; align-items: center;
    transition: background-color 0.2s, opacity 0.2s; margin-bottom: 12px;
}
.btn:last-child { margin-bottom: 0; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background-color: var(--color-primary); color: #000000; }
.btn-primary:active:not(:disabled) { background-color: var(--color-primary-hover); }
.btn-secondary { background-color: var(--color-secondary); color: var(--text-main); }
.btn-secondary:active:not(:disabled) { background-color: var(--color-secondary-hover); }

/* Лоадер */
.spinner { width: 20px; height: 20px; border: 3px solid rgba(0,0,0,0.1); border-top: 3px solid #000; border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { 100% { transform: rotate(360deg); } }
.hidden { display: none !important; }

/* ПИН-код */
.pin-dots { display: flex; gap: 16px; justify-content: center; margin-bottom: 40px; }
.dot { width: 16px; height: 16px; border-radius: 50%; background-color: var(--color-secondary); transition: background-color 0.2s, transform 0.2s; }
.dot.filled { background-color: var(--color-primary); transform: scale(1.1); }

/* Seed-фраза и Импорт */
.seed-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 30px; }
.seed-word { background-color: var(--color-secondary); padding: 12px 16px; border-radius: 12px; font-size: 16px; font-weight: 600; display: flex; gap: 8px; color: var(--text-main); }
.seed-index { color: var(--text-muted); font-size: 14px; font-weight: 400; width: 20px; text-align: right; user-select: none; }

.import-input-wrapper { position: relative; display: flex; align-items: center; background-color: var(--color-secondary); border-radius: 12px; overflow: hidden; border: 1px solid transparent; }
.import-input-wrapper:focus-within { border-color: var(--color-primary); }
.import-input { flex: 1; background: transparent; border: none; color: var(--text-main); font-family: var(--font-family); font-size: 16px; padding: 14px 12px 14px 8px; outline: none; width: 100%; }

.warning-box { background-color: rgba(255, 68, 68, 0.1); border: 1px solid rgba(255, 68, 68, 0.2); border-radius: 16px; padding: 16px; display: flex; gap: 12px; align-items: flex-start; }
.warning-box p { color: #ff9999; font-size: 13px; margin: 0; }